CN211079386U

CN211079386U - Plating bath

Info

Publication number: CN211079386U
Application number: CN201921938847.9U
Authority: CN
Inventors: 王夏
Original assignee: Hubei Bailiang Electroplating Co
Current assignee: Hubei Bailiang Electroplating Co
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-24
Anticipated expiration: 2029-11-08

Abstract

The utility model provides an electroplating bath, includes cell body, negative pole current conducting plate, positive pole current conducting plate and drive unit, and its inside cavity and upper end are uncovered, the negative pole current conducting plate with the equal vertical setting of positive pole current conducting plate is in the cell body to distribution in opposite directions is in both sides around the cell body, the negative pole current conducting plate with the positive pole current conducting plate passes through respectively drive unit with the lateral wall sliding connection that corresponds of cell body, the drive unit drive corresponds the negative pole current conducting plate or the positive pole current conducting plate is followed the length direction of cell body removes, be equipped with a plurality ofly on the cell body rather than inside intercommunication air inlet, all be equipped with the nozzle in every air inlet.

Description

Plating bath

Technical Field

The utility model relates to an electroplating equipment field especially relates to an electroplating bath.

Background

Electroplating is a process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis, and is a process of attaching a layer of metal film on the surface of a metal or other material product by using the action of electrolysis, thereby having the effects of preventing metal oxidation (such as corrosion), improving wear resistance, conductivity, light reflection, corrosion resistance (such as copper sulfate and the like), enhancing the appearance and the like. The electroplating bath is an infrastructure for workpiece electroplating, but the existing electroplating bath has the problem of uneven electroplating, and when the electroplated workpiece is too large, the electroplating solution in the electroplating bath overflows to cause the waste of the electroplating solution.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an electroplating bath.

The utility model provides a plating bath, including cell body, negative pole current conducting plate, positive pole current conducting plate and drive unit, its inside cavity and upper end are uncovered, the negative pole current conducting plate with the equal vertical setting of positive pole current conducting plate is in the cell body to in opposite directions distribute in both sides around the cell body, the negative pole current conducting plate with the positive pole current conducting plate passes through respectively the drive unit with the corresponding lateral wall sliding connection of cell body, the drive unit drive corresponds the negative pole current conducting plate or the positive pole current conducting plate is followed the length direction of cell body removes, be equipped with a plurality ofly on the cell body rather than inside intercommunication air inlet, all be equipped with the nozzle in every air inlet.

Furthermore, the tank body is composed of an inner tank body and an outer tank body, the inner tank body and the outer tank body are both rectangular structures, the upper ends of the inner tank body and the outer tank body are both open structures, the inner tank body is arranged in the outer tank body in parallel, the lower end of the inner tank body is fixedly connected with the bottom wall of the outer tank body, the upper end of the inner tank body is flush with the upper end of the outer tank body and is fixedly connected with the upper end of the outer tank body through a fixing plate, a rectangular cavity is formed between the outer tank body and the inner tank body, heating units are uniformly arranged in the cavity at intervals, the cathode conductive plate, the anode conductive plate and the driving unit are all arranged in the inner tank body, a plurality of first through holes are arranged on the outer tank body, second through holes corresponding to the plurality of first through holes are arranged on the inner tank body, and the first through holes are communicated with the corresponding second through holes, to form the air inlet.

Furthermore, the middle parts of the inner walls of the front side and the rear side of the inner groove body are respectively provided with a guide rail arranged along the length direction of the inner groove body, a movable block matched with the guide rail is embedded in each guide rail, and one side of each movable block, which is close to the cathode conductive plate or the anode conductive plate, is correspondingly and fixedly connected with the cathode conductive plate or the cathode conductive plate.

Further, the internal pivot that is equipped with two vertical settings of inside groove, and two spaced distribution is in about the pivot on the central line of interior cell body, its lower extreme all passes the diapire of interior cell body stretches into in the cavity, the lower extreme middle part of outer cell body is equipped with the motor, the drive shaft of motor sets up, and it passes the lower extreme of outer cell body stretches into in the cavity, and with the lower extreme of interior cell body rotates and is connected, the motor passes through drive assembly and two the pivot transmission is connected, motor drive assembly drives two the pivot is synchronous to be rotated, every the pivot upper end is equipped with the stirring subassembly.

The electroplating bath device further comprises an overflow groove, the overflow groove is arranged on the left side of the outer groove body, a third overflow outlet is arranged at the upper portion of the right side of the overflow groove, a first overflow outlet is arranged at the upper portion of the left side of the inner groove body, a second overflow outlet is arranged at the upper portion of the left side of the outer groove body, the first overflow outlet, the second overflow outlet and the third overflow outlet are located on the same straight line to form an overflow channel, a first pipeline is arranged in the overflow channel, sealing rings are arranged at the joints of the first pipeline and the first overflow outlet and the second overflow outlet, and the overflow groove is used for containing overflowing electroplating bath.

Further, a liquid outlet is arranged at the lower end of the overflow groove, a first liquid inlet is arranged at the lower part of the left side of the inner groove body, a second liquid inlet is arranged at the lower part of the left side of the outer groove body, the first liquid inlet and the second overflow outlet are positioned on the same straight line to form a liquid inlet channel, the liquid outlet is communicated with the liquid inlet channel through a second pipeline, and a one-way valve is arranged on the second pipeline.

The utility model provides a beneficial effect that technical scheme brought is: the utility model discloses a drive unit 30 drive negative pole current conducting plate and positive pole are electrically conductive to remove in the cell body to solve current plating bath and electroplate inhomogeneous problem. And when a workpiece with a larger size is electroplated, overflowing electroplating solution flows into the overflowing groove through the overflowing channel 81 and is collected by the overflowing groove, so that the waste caused by outflow of the electroplating solution is avoided, and the energy conservation, environmental protection and practicability of the electroplating bath are improved.

Drawings

FIG. 1 is a schematic view of an electroplating bath according to the present invention;

fig. 2 is a top view of an electroplating bath according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 1-2, an embodiment of the present invention provides an electroplating bath, including a tank body, a cathode conductive plate 10, an anode conductive plate 20 and a driving unit 30, wherein the tank body has a hollow interior and an open upper end, the lower end of the tank body is provided with a support leg 40, the cathode conductive plate 10 and the anode conductive plate 20 are vertically and oppositely disposed in the tank body and are all slidably connected to a corresponding side wall of the tank body through the driving unit 30, the driving unit 30 drives the corresponding cathode conductive plate 10 or the anode conductive plate 20 to move along a length direction of the tank body, the tank body is provided with a plurality of air inlets communicated with the interior of the tank body, and each air inlet is internally provided with a nozzle.

The utility model discloses in, negative pole current conducting plate 10 sets up on the inner wall of cell body rear side, positive pole current conducting plate 20 sets up on the inner wall of cell body front side, drive unit 30 is the sharp module, the length direction setting of sharp module along the cell body, and the front side inner wall of cell body and the upper portion of rear side inner wall are all fixed and are equipped with sharp module, negative pole current conducting plate 10 or positive pole current conducting plate 20 are close to the slider fixed connection on one side of sharp module and the sharp module that corresponds, the negative pole current conducting plate 10 or the positive pole current conducting plate 20 that the drive of sharp module corresponds remove along the length direction of cell body. Here, it should be noted that the embodiment of the driving unit 30 in the present invention is not limited to the linear module, and the driving structure that can drive the cathode conductive plate 10 and the anode conductive plate 20 to move along the length direction of the tank body in the prior art can be used as the embodiment of the driving unit 30 in the present invention. The linear module in the embodiment has the advantages of simple structure, flat driving track and low implementation cost. The air inlet is equipped with 3, and spaced setting is in about it on the cell body right side curb plate, the air inlet passes through the external air pump of pipeline, through air pump, air inlet and nozzle in order to carry clean air to the cell body to guarantee that the plating solution in the cell body flows. In order to prevent the electroplating solution from flowing outwards, a sealing ring is arranged at the position where each air inlet is connected with the pipeline. The utility model discloses a drive unit 30 drive negative pole current conducting plate 10 and positive pole current conducting plate 20 remove in the cell body to solve current plating bath and electroplate inhomogeneous problem, wherein, negative pole current conducting plate 10 and positive pole current conducting plate 20 all are connected with the commercial power electricity.

In the above embodiment, the tank body is composed of an inner tank body 41 and an outer tank body 42, the inner tank body 41 and the outer tank body 42 are both rectangular structures, the upper ends of the inner tank body 41 and the outer tank body 42 are both open structures, the inner tank body 41 is arranged in parallel in the outer tank body 42, the lower end thereof is fixedly connected with the bottom wall of the outer tank body 42, the upper end thereof is flush with the upper end of the outer tank body 42 and is fixedly connected with the upper end of the outer tank body 42 through a fixing plate 44, a rectangular cavity 43 is formed between the outer tank body 42 and the inner tank body 41, heating units 90 are arranged in the cavity 43 at uniform intervals, the cathode conductive plate 10, the anode conductive plate 20 and the driving unit 30 are all arranged in the inner tank body 41, the outer tank body 42 is provided with a plurality of first through holes 45, the inner tank body 41 is provided with second through holes 46 corresponding to the plurality of first through holes 45, the first through holes 45 communicate with the corresponding second through holes 46 to form the air inlet.

The utility model discloses in, whether the heating temperature at each inside position of cell body is even, is the important factor that influences work piece electroplating quality. Therefore, in order to ensure that the heating temperature of each part inside the tank body is uniform, the heating units 90 are uniformly arranged in the cavity 43 at intervals, wherein the heating units 90 are heating pipes, the upper end and the lower end of each heating pipe extend to the corresponding end of the cavity 43 to be fixedly connected, and the heating pipes on each side of the cavity 43 are uniformly arranged at intervals. In addition, in order to rapidly heat the inner tank 41, the inner tank 41 is made of a material having a good thermal conductivity, and the outer tank 42 is made of a heat insulating material, thereby preventing burning of others. The heating pipe has the advantages of low implementation cost, high heating speed and the like. The linear die holder is arranged on the upper parts of the front inner wall and the rear inner wall of the inner groove body 41, and 3 first through holes 45 and 3 second through holes 46 are correspondingly arranged on the right sides of the outer groove body 42 and the inner groove body 41.

In the above embodiment, the middle portions of the inner walls of the front side and the rear side of the inner tank 41 are respectively provided with the guide rail 60 arranged along the length direction of the inner tank 41, the guide rails 60 are respectively embedded with the movable blocks matched with the guide rails, and one side of each movable block, which is close to the cathode conductive plate 10 or the anode conductive plate 20, is correspondingly connected with the cathode conductive plate 10 or the cathode conductive plate 10.

In the present invention, the guide rail 60 and the movable block are used to keep the moving trajectories of the cathode conductive plate 10 and the anode conductive plate 20 straight. Wherein, the left and right ends of the guide rail 60 extend to the left and right sides near the corresponding inner wall of the inner tank 41.

In the above embodiment, be equipped with the pivot 70 of two vertical settings in the interior cell body 41, and two the left and right spaced distribution of pivot 70 is in on the central line of interior cell body 41, its lower extreme all passes the diapire of interior cell body 41 stretches into in the cavity 43, the lower extreme middle part of outer cell body 42 is equipped with motor 71, motor 71's drive shaft sets up, and it passes the lower extreme of outer cell body 42 stretches into in the cavity 43, and with the lower extreme of interior cell body 41 rotates to be connected, motor 71 passes through drive assembly and two the transmission of pivot 70 is connected, the drive of motor 71 drive assembly drives two pivot 70 synchronous rotation, every the pivot 70 upper end is equipped with the stirring subassembly.

The utility model discloses in, the stirring subassembly includes two stirring leaves 72, and it sets up along the even interval of circumference of corresponding pivot 70. The rotating shaft 70 drives the stirring blade 72 to rotate so as to stir the electroplating solution, thereby ensuring the circulation of the electroplating solution. Wherein drive assembly includes first belt pulley 73, second belt pulley 74, third belt pulley 75 and belt 76, the upper and lower spaced of drive shaft of motor 71 is equipped with two second belt pulleys 74, equal coaxial correspondence is equipped with first belt pulley 73 and third belt pulley 75 on two pivot 70, wherein, first belt pulley 73 is located collinear with the second belt pulley 74 that is located motor 71 drive shaft top, and third belt pulley 75 is located collinear with the second belt pulley 74 that is located motor 71 drive shaft below, between first belt pulley 73 and the second belt pulley 74, all be equipped with belt 76 between second belt pulley 74 and the third belt pulley 75. When the motor 71 rotates, the two rotating shafts 70 can be synchronously driven to rotate through the first belt pulley 73, the second belt pulley 74, the third belt pulley 75 and the belt 76.

In the above embodiment, the electroplating bath further includes an overflow tank 80, the overflow tank 80 is disposed on the left side of the outer tank body 42, a third overflow outlet is disposed on the upper portion of the right side of the overflow tank 80, a first overflow outlet is disposed on the upper portion of the left side of the inner tank body 41, a second overflow outlet is disposed on the upper portion of the left side of the outer tank body 42, the first overflow outlet, the second overflow outlet and the third overflow outlet are located on the same straight line to form an overflow channel 81, a first pipeline (not shown in the figure) is disposed in the overflow channel 81, sealing rings (not shown in the figure) are disposed at the connection positions of the first pipeline and the first overflow outlet and the second overflow outlet, and the overflow tank 80 is used for containing overflowing electroplating solution.

In the present invention, the structure of the overflow groove 80 is not limited, and specifically, it is a rectangular structure and is arranged along the width direction of the outer groove 42. When a workpiece with a large size is electroplated, overflowing electroplating solution flows into the overflowing groove 80 through the overflowing channel 81 and is collected by the overflowing groove 80, so that the waste caused by outflow of the electroplating solution is avoided, and the energy conservation, environmental protection and practicability of the electroplating bath are improved. Furthermore, it should be noted that the positions of the first and second outlets should be avoided from being close to the heating tube in the cavity 43, so as to prevent the normal operation of the heating tube from being affected.

In the above embodiment, the lower end of the overflow groove 80 is provided with a liquid outlet 82, the lower portion of the left side of the inner groove body 41 is provided with a first liquid inlet (not shown in the figure), the lower portion of the left side of the outer groove body 42 is provided with a second liquid inlet (not shown in the figure), the first liquid inlet and the second overflow outlet are located on the same straight line to form a liquid inlet channel (not shown in the figure), the liquid outlet 82 is communicated with the liquid inlet channel through a second pipeline 84, and the second pipeline 84 is provided with a one-way valve 83.

The utility model discloses, overflow the plating solution in the groove 80 and pass through liquid outlet 82 and inlet channel automatic entering interior cell body 41 to carry out reuse, improve the utilization ratio of plating solution. Wherein, the connecting parts of the pipelines arranged in the liquid inlet channel and the first liquid inlet and the second liquid inlet are respectively provided with a sealing ring (not shown in the figure) to prevent the electroplating liquid from flowing outwards. And the check valve 83 functions to realize a one-way flow of the plating liquid from the overflow tank 80 to the inner tank 41.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an electroplating bath, its characterized in that includes cell body, negative pole current conducting plate (10), positive pole current conducting plate (20) and drive unit (30), its inside cavity and upper end are uncovered, negative pole current conducting plate (10) with positive pole current conducting plate (20) all vertical setting is in the cell body, and in opposite directions distribute in both sides around the cell body, negative pole current conducting plate (10) with positive pole current conducting plate (20) pass through respectively drive unit (30) with the lateral wall sliding connection that corresponds of cell body, drive unit (30) drive corresponds negative pole current conducting plate (10) or positive pole current conducting plate (20) are followed the length direction of cell body removes, be equipped with a plurality ofly on the cell body rather than inside intercommunication air inlet, all be equipped with the nozzle in every air inlet.

2. The electroplating tank as claimed in claim 1, wherein the tank body consists of an inner tank body (41) and an outer tank body (42), the inner tank body (41) and the outer tank body (42) are both rectangular structures, the upper ends of the inner tank body (41) and the outer tank body (42) are both open structures, the inner tank body (41) is arranged in the outer tank body (42) in parallel, the lower end of the inner tank body is fixedly connected with the bottom wall of the outer tank body (42), the upper end of the inner tank body is flush with the upper end of the outer tank body (42), and is fixedly connected with the upper end of the outer tank body (42) through a fixing plate (44), a cavity (43) of a rectangular structure is formed between the outer tank body (42) and the inner tank body (41), heating units (90) are uniformly arranged in the cavity (43) at intervals, the cathode conducting plate (10), the anode conducting plate (20) and the driving unit (30) are all arranged in the inner tank body (41), be equipped with a plurality of first through-holes (45) on outer cell body (42), be equipped with second through-hole (46) that correspond with a plurality of first through-holes (45) on interior cell body (41), first through-hole (45) and corresponding second through-hole (46) intercommunication, in order to form the air inlet.

3. The electroplating bath according to claim 2, wherein guide rails (60) arranged along the length direction of the inner bath body (41) are respectively arranged in the middle of the inner walls of the front side and the rear side of the inner bath body (41), movable blocks matched with the guide rails (60) are respectively embedded in the guide rails (60), and one side of each movable block, which is close to the cathode conductive plate (10) or the anode conductive plate (20), is correspondingly and fixedly connected with the cathode conductive plate (10) or the cathode conductive plate (10).

4. The electroplating bath according to claim 2, wherein two vertically arranged rotating shafts (70) are arranged in the inner bath body (41), and the two rotating shafts (70) are distributed on the central line of the inner groove body (41) at intervals from left to right, the lower ends of the two grooves penetrate through the bottom wall of the inner groove body (41) and extend into the cavity (43), a motor (71) is arranged in the middle of the lower end of the outer groove body (42), a driving shaft of the motor (71) is arranged upwards, which penetrates through the lower end of the outer groove body (42) and extends into the cavity (43), and is rotationally connected with the lower end of the inner groove body (41), the motor (71) is in transmission connection with the two rotating shafts (70) through a transmission component, the motor (71) drives the transmission assembly to drive the two rotating shafts (70) to synchronously rotate, and a stirring assembly is arranged at the upper end of each rotating shaft (70).

5. An electroplating bath according to any one of claims 2 to 4, further comprising an overflow tank (80), wherein the overflow tank (80) is disposed at the left side of the outer tank body (42), a third overflow outlet is disposed at the upper portion of the right side of the overflow tank (80), a first overflow outlet is disposed at the upper portion of the left side of the inner tank body (41), a second overflow outlet is disposed at the upper portion of the left side of the outer tank body (42), the first overflow outlet, the second overflow outlet and the third overflow outlet are located on the same straight line to form an overflow channel (81), a first pipeline is disposed in the overflow channel (81), sealing rings are disposed at the joints of the first pipeline and the first overflow outlet and the second overflow outlet, and the overflow tank (80) is used for containing overflowing electroplating solution.

6. The electroplating bath according to claim 5, wherein a liquid outlet (82) is arranged at the lower end of the overflow tank (80), a first liquid inlet is arranged at the lower part of the left side of the inner tank body (41), a second liquid inlet is arranged at the lower part of the left side of the outer tank body (42), the first liquid inlet and the second overflow outlet are positioned on the same straight line to form a liquid inlet channel, the liquid outlet (82) is communicated with the liquid inlet channel through a second pipeline (84), and a one-way valve (83) is arranged on the second pipeline (84).